Home / 558,187.20-837,280.80-552,938.40

Finding the Fourth Proportional to 558,187.20, 837,280.80 and 552,938.40

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Solution

The fourth proportional to 558,187.20, 837,280.80 and 552,938.40 is: 829,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,187.20 : 837,280.80 = 552,938.40 : x
  2. Step 2: Convert to fraction form
    558,187.20/837,280.80 = 552,938.40/x
  3. Step 3: Cross multiply
    558,187.20x = 837,280.80 × 552,938.40
  4. Step 4: Simplify right side
    558,187.20x = 462,964,705,902.72
  5. Step 5: Solve for x
    x = 462,964,705,902.72/558,187.20
  6. Step 6: Final answer
    x = 829,407.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.